皮皮学，免费搜题
登录
搜题
【单选题】
虚拟语气 When a pencil is partly in a glass of water, it looks as if it____A.
breaks
B.
has broken
C.
were broken
D.
had been broken
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【判断题】The test values for the chi-square goodness-of-fit test and theindependence test are computed by using the same formula. True or false?
A.
正确
B.
错误
【判断题】The null hypothesis for a chi-square goodness-of-fit test always states that the stated distribution is followed.
A.
正确
B.
错误
【简答题】某医生用 A、B两种药物治疗急性下呼吸道感染,结果见表1。下面使用SPSS分析两种药的有效率是否有差别。 表 1 处 理 有效例数 无效例数 有效率(%) A 药 68 6 91.89 B 药 52 11 82.54 表 2 Chi-Square Tests Value df Asymp. Sig. (2-sided) Exact Sig. (2-sided) Exact Sig. (1-side...
【判断题】The popularity of the chi-square test is mainly due to the fact that it can be used to yze quantitative data. True or false?
A.
正确
B.
错误
【判断题】The chi-square goodness-of-fit test is used to determine if two categorical variables are independent of one another.
A.
正确
B.
错误
相关题目：
参考解析：
知识点：
题目纠错 0
发布
